Datalist options collection
Examples
Datalist controls through all the options and output options value:
var x = document.getElementById ( "mySelect");
var txt = "";
for (var i = 0; i <x.options.length; i ++)
{
txt = txt + x.options [i] .value + "<br>";
}
var txt = "";
for (var i = 0; i <x.options.length; i ++)
{
txt = txt + x.options [i] .value + "<br>";
}
txt output is:
Internet Explorer
Firefox
Chrome
Opera
Safari
Firefox
Chrome
Opera
Safari
try it"
Definitions and use
options set datalist collection returns all options.
Note: Sorting a collection of elements by elements in the code position sorting.
Browser Support
All major browsers support options set.
grammar
datalistObject .options
Attributes
| Property | description |
|---|---|
| length | Returns the number of elements in the collection options |
method
| method | description |
|---|---|
| [Index] | An integer that specifies the element to retrieve (starting from 0) |
| item(index) | Returns the specified index from the collection element (starting from 0) |
| namedItem(name_or_id) | From the collection with the specified name (name or id attribute) returns the element |
More examples
Examples
Datalist show the number of elements:
var x = document.getElementById ( "browsers") options.length.;
x The output is:
5
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Examples
[Index]
Return Value datalist first option (index 0) is:
var x = document.getElementById ( "browsers") options [0] .value.;
x The output is:
Internet Explorer
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Examples
item (index)
Return Value datalist first option (index 0) is:
. Var x = document.getElementById ( "browsers") options.item (0) .value;
x The output is:
Internet Explorer
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Examples
namedItem (name_or_id)
Back id = "google" value datalist options:
var x = document.getElementById ( "browsers") options.namedItem ( "google") value..;
x The output is:
Chrome
try it"